401(k) · DOL Form 5500 · 2023

Alpha & Omega Semiconductor, Inc. 401(k) Plan

Data updated 2026-08-11

$83M
Total assets: 790
Participants: 90th
Percentile by assets: $105,047
Avg per participant

Official DOL plan name: Alpha & Omega Semiconductor, Inc. 401(k) Plan · Sponsored by Alpha & Omega Semiconductor, Inc. · California · Manufacturing

$83M in assets, 790 participants

Alpha & Omega Semiconductor, Inc.'s Alpha & Omega Semiconductor, Inc. 401(k) Plan reported $83M in total assets and 790 participants in its 2023 DOL Form 5500 filing, ranking in the 90th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

90th percentile by assets (of 127,072 plans)
#15,923 in Manufacturing (18,722 peers)

Where Alpha & Omega Semiconductor, Inc. 401(k) Plan sits by assets

Alpha & Omega Semiconductor, Inc. 401(k) Plan sits in the top 10% of all filed plans by assets, $83M for 790 participants (~$105,047/participant), up 30.4% in 2023.

$83M
total plan assets (2023 EOY): 790
covered participants: 90th
percentile by assets (of 127,072 plans): $105,047
avg assets per participant

Where Alpha & Omega Semiconductor, Inc. 401(k) Plan sits by total assets

Alpha & Omega Semiconductor, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$82,987,263 Top 10% higher than 90% of 127,068 filed plans

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Alpha & Omega Semiconductor, Inc. 401(k) Plan reported net income rose from -$3M in the plan year 2022 filing to $19M in the plan year 2023 filing.
Alpha & Omega Semiconductor, Inc. 401(k) Plan end-of-year assets rose from $64M in the plan year 2022 filing to $83M in the plan year 2023 filing.
Alpha & Omega Semiconductor, Inc. 401(k) Plan reported participants rose from 656 in the plan year 2022 filing to 790 in the plan year 2023 filing.

See the national 2022→2023 release diff →

State

California

Industry

Manufacturing

Alpha & Omega Semiconductor, Inc. 401(k) Plan vs the 2023 asset distribution

By assets, Alpha & Omega Semiconductor, Inc. 401(k) Plan outranks 90% of the 127,072 plans that filed a Form 5500 for the 2023 plan year, and holds roughly 0.8x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)	$64M
Net Assets (End of Year)	$83M
Net Income	$19M
Employer EIN	770553536
Plan Effective Date	2004-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Alpha & Omega Semiconductor, Inc.)

Total plan assets by year, all Alpha & Omega Semiconductor, Inc. plans on file

Year	Plans	Participants	Total Assets
2022	1	656	$64M
2023	1	790	$83M
2024	1	769	$105M

Nearby 401(k) Plans in California

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Alpha & Omega Semiconductor, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants

Wells Fargo & Company 401(k) Plan $51.8B · 193,919
Google LLC 401(k) Savings Plan $39.0B · 122,867
Oracle Corporation 401(k) Savings and Investment Plan $26.3B · 63,105
Intel 401(k) Savings Plan $22.2B · 59,863
Apple 401(k) Plan $19.8B · 106,111

Compare Alpha & Omega Semiconductor, Inc. 401(k)… side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Alpha & Omega Semiconductor, Inc. 401(k) Plan by total assets, not by location.

Eileen Fisher, Inc. 401(k) Employee Savings Plan (NY) $83M · 770
Smyrna Ready Mix 401(k) Profit Sharing Plan and Trust (TN) $83M · 5,113
Osg, Inc. Savings and Retirement Plan (NJ) $83M · 1,661
Mw Life Sciences Retirement Savings Plan (IN) $83M · 1,593

Frequently Asked Questions

How did Alpha & Omega Semiconductor, Inc. 401(k) Plan assets move in 2023? ▼

Alpha & Omega Semiconductor, Inc. 401(k) Plan surged - up 30.4% during 2023, from $64M to $83M. Reported net income was $19M.

How have Alpha & Omega Semiconductor, Inc. plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Alpha & Omega Semiconductor, Inc.'s sponsor-wide assets grew 65.5%, from $64M to $105M.

Where does Alpha & Omega Semiconductor, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼

Alpha & Omega Semiconductor, Inc. 401(k) Plan ranks in the 90th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).

Which 401(k) plans are similar in size to Alpha & Omega Semiconductor, Inc. 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by assets is Eileen Fisher, Inc. 401(k) Employee Savings Plan in NY ($83M, 770 participants).

Next read for Alpha & Omega Semiconductor, Inc. 401(k)…

Scale reading

Ways to act on Alpha & Omega Semiconductor, Inc. 401(k) Plan's numbers.

By total assets, Alpha & Omega Semiconductor, Inc. 401(k) Plan ranks in the top 10% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in California. Compare plans
Alpha & Omega Semiconductor, Inc.'s sponsor-wide assets have grown 65.5% since 2022 across 3 plan years on file. More Manufacturing plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 770553536.